Heat of this magnitude can be extremely dangerous if proper precautions aren't taken," warns the Weather Prediction Center (WPC). A number of Portland Airport high temperature records are in jeopardy this weekend. High temperatures could reach above 40 degrees Celsius (104 degrees Fahrenheit) in regions of Canada by midweek. Beautiful scenery could become deadlyEven in mountainous areas in Oregon and Washington, temperatures this weekend could climb into the 90s, creating hazards of a different sort. Rain chances and afternoon thunderstorm activity will increase into the middle of the week when relief will arrive to subdue the high temperatures.

Source: CNN June 26, 2021 09:00 UTC